Troubleshoot email issues

When you run into problems with email, these resources can help you solve email connection and delivery problems in Office 365 .

First, check out Fix Outlook account problems in Office 365.
There you'll find top solutions to Office 365 email issues, frequently asked questions answered by the Office team, the US support number, and a section where you can email us about your specific problem.

Still need help? Contact support.

As an admin for Office 365 for business, you get free access to our knowledgeable support agents for pre-sales, account, and billing support, as well as for help resolving technical issues. You can also contact support on behalf of Office 365 users in your organization.